Familial Hemiplegic Migraine March 1, 2016DiseasesHeadacheteachingneurologist Diagnosis: Genetics: Autosomal dominant Ca++ CACNA1A, a P/Q-type of calcium channel. Clinical: 1st & 2nd decade Migraine with aura associated with hemiplegia (hemiparesthesia, hemianopia, dysphagia) Lasts >24 hours Related articles: Approach to headache, Share this:PrintLinkedInTwitterPocketRedditWhatsAppMore